• Country
• Germany

• Manufacturer / Brand
• MGF - Medizinische Geräte-Fabrik; Berlin

• Year
• 1920 ??

• Category
• Medical Technology

• Radiomuseum.org ID
• 249830

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hearing aid

• Power type and voltage
• Dry Batteries / 4,5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Various materials

• from Radiomuseum.org
• Model: Hörapparat - Hörhilfe - MGF - Medizinische Geräte-

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• "Tonfilter Mikrofon".

  Vergleiche Bauart mit dem Original Akustik Hörapparat - Ich Höre Alles

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MGF - Medizinische Geräte-Fabrik; Berlin